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Summary of Contents for Generac Power Systems 4040 PRO GAS PW 49ST
- Page 1 Operator's Manual Power Washer www.generac.com or 1-888-436-3722...
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Page 2: Table Of Contents
Table of Contents Introduction ............. 1 Maintenance ............14 Maintenance Recommendations ..........14 Safety Rules ............1 Maintenance Schedule ............14 Safety Symbols and Meanings ........1 Emissions Control ..............14 Power Washer Maintenance ............14 General Information ..........4 Check and Clean Inlet Screen ..........14 Know Your Power Washer ............4 Check High Pressure Hoses ............14 Product Specifications ..............5... -
Page 3: Introduction
Thank you for purchasing this power washer manufactured by Throughout this publication, and on tags and decals affixed to the Generac Power Systems, Inc. This model is a high performance, generator, DANGER, WARNING, CAUTION and NOTE blocks are air-cooled, engine-driven power washer that operates between used to alert personnel to special instructions about a particular 3000 and 4000 psi depending on which model you purchased. - Page 4 Safety Rules D ANGER: Carbon monoxide produced during use CAN KILL WARNING: Risk of electrocution. in minutes. NEVER use indoors or in other sheltered areas, EVEN IF doors and windows are open. Only use OUTSIDE and Contact with power source can cause electric shock or far away from windows, doors and vents.
- Page 5 Safety Rules WARNING: Use of power washer can create puddles and CALIFORNIA PROPOSITION 65 WARNING slippery surfaces. Kickback from spray gun can cause you to Engine exhaust and some of its constituents are known fall. to the State of California to cause cancer, birth defects •...
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Page 6: General Information
General Information KNOW YOUR POWER WASHER K - High Pressure Outlet – Connection for high pressure hose. L - Water Inlet – Connection for Garden Hose. Read this owner’s manual and safety rules before operating your M - Fuel Tank – Fill tank with regular unleaded fuel. Always leave high power washer. -
Page 7: Product Specifications
Set-up PRODUCT SPECIFICATIONS Pressure - (PSI / BAR) 3000 / 207 3300 / 228 4000 / 276 Flow Rate - (GPM / LPM) 2.8 / 10.6 3.2 / 12.1 4.0 / 15.1 Water Supply Temperature - (°F / C°) 100 / 38 Max Hose Length - (Feet / Meters) 35 / 10.7 50 / 15.2... -
Page 8: Add Engine Oil
Set-up 2. Install hose hook using provided screws and allen wrench Figure 5 – Siphon Tube Location (Figure 3). Figure 3 – Install Hose Hook ADD ENGINE OIL 3. Insert color-coded nozzles in spaces provided in handle (Figure 4). 1. Place power washer on a flat, level surface. 4. -
Page 9: Add Fuel
Set-up Figure 6 – Check Pump Oil 3. Install fuel cap and let any spilled fuel evaporate before starting engine. Figure 7 – Adding Fuel ADD FUEL Fuel must meet these requirements: CONNECT HOSE AND WATER SUPPLY TO PUMP • Clean, fresh, unleaded gasoline. NOTE: •... - Page 10 Set-up Figure 8 – Inspect Inlet Screen 5. Attach end of high pressure hose to base of spray gun (Figure 11). Figure 11 – Connect Hose to Spray Gun 3. Connect the garden hose (not to exceed 50 feet in length) to the water inlet (Figure 9).
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Page 11: How To Use Nozzles
Set-up Figure 13 – Squeeze Trigger • The WHITE NOZZLE is used for delicate rinse (lower pressure and higher flow), for gentle cleaning of cars/trucks, boats, RV’s, patio furniture, lawn equipment, etc. (Figure 15). Figure 15 – Low Pressure Nozzle (White) HOW TO USE NOZZLES The quick–connect on the nozzle lance allows you to switch between different nozzles. -
Page 12: Cleaning And Applying Detergent
Set-up • Use the BLACK NOZZLE when applying detergent (Figure 18). 9. Start engine following instructions How to Start Your Power Only use power washer safe detergents/soaps to help break down Washer. stubborn dirt and grime on a variety of surfaces. 10. -
Page 13: Operation
Operation IMPORTANT: Spray gun traps high water pressure, even when the Figure 19 – Building Clearances engine is stopped and water is disconnected. The high pressure stream of water that this equipment produces can cut through skin and its underlying tissues, leading to serious injury, possible amputation or death. - Page 14 Operation 2. Move choke lever to “CLOSE” position (Figure 21). IMPORTANT: Before starting the power washer, be sure you are wearing adequate safety goggles. NOTE: For a warm engine, be sure the choke lever is in the “OPEN” position. Risk of eye injury. Spray can splash back or propel objects.
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Page 15: Automatic Cool Down System (Thermal Relief)
Operation AUTOMATIC COOL DOWN SYSTEM (THERMAL Figure 25 – Choke Lever RELIEF) Choke If you run the engine on your power washer for 3-5 minutes without Open pressing the trigger on the spray gun, circulating water in the pump can reach temperatures above 125°F. The system engages to cool the pump by discharging the warm water onto the ground. -
Page 16: Maintenance
Maintenance MAINTENANCE RECOMMENDATIONS EMISSIONS CONTROL Maintenance, replacement, or repair of the emissions control Regular maintenance will improve the performance and extend the life devices and systems may be performed by any non-road engine of the power washer. See any qualified dealer for service. repair establishment or individual. -
Page 17: Check Spray Gun
Maintenance CHECK SPRAY GUN Figure 28 – Back Flush Lance Examine the hose connection to the spray gun and make sure it is secure. Test the trigger by pressing the trigger, it “springs back” into place when you release it. Replace the spray gun immediately if it fails to "spring back". -
Page 18: Engine Oil Recommendations
Maintenance ENGINE OIL RECOMMENDATIONS CHANGING ENGINE OIL If you are using your power washer under extremely dirty or dusty We recommend the use of high-quality detergent oils acceptable if conditions, or in extremely hot weather, change the oil more often. classified for service SF, SG, SH, SJ or higher. -
Page 19: Service Air Cleaner
Maintenance 7. Slowly pour oil (about 20 oz.) into the oil fill opening to the Figure 33 – Change the Spark Plug proper level on the dipstick. DO NOT overfill. 8. Reinstall the oil fill cap. Finger tighten cap securely. 0.028-0.031 SPARK PLUG 9. -
Page 20: Winter Storage
Maintenance If the gasoline in the engine has not been treated with a fuel • ALWAYS point the spray gun in a safe direction, and squeeze the stabilizer, it must be drained into an approved container. Run the spray gun trigger to release high pressure every time you stop the engine until it stops from lack of fuel. -
Page 21: Troubleshooting
Troubleshooting TROUBLESHOOTING GUIDE PROBLEM CAUSE CORRECTION 1. Low pressure nozzle installed. 1. Replace with high pressure nozzle. 2. Water inlet is blocked. 2. Clear inlet. 3. Inadequate water supply. 3. Provide adequate water flow. Pump has following problems: 4. Inlet hose is kinked or leaking. 4. -
Page 22: Warranty
IMPORTANT NOTE: This warranty statement explains your rights and obligations under the Emission Control System Warranty, which is provided to you by Generac pursuant to federal law. See also the "Generac Limited Warranties for Generac Power Systems, Inc.," which is enclosed herewith on a separate sheet, also provided to you by Generac. - Page 23 Warranty EMISSION CONTROL SYSTEM WARRANTY Emission Control System Warranty (ECS Warranty) for equipment using small spark-ignited engines: (a) Applicability: This warranty shall apply to equipment that uses small off-road engines. The ECS Warranty period shall begin on the date the new equipment is purchased by/delivered to its original, end-use purchaser/owner and shall continue for the lesser of: (1) The period of time specified in the Generac Limited Warranty enclosed herewith, but not less than 24 months, or (2) For engines equipped with hour meters, a number of operating hours equal to half of the engine’s useful life.
- Page 24 PROFESSIONAL GRADE POWER WASHERS For a period of three years from the date of original sale, Generac Power Systems, Inc. (Generac) warrants its Power Washers will be free from defects in materials and workmanship for the items and period set forth below. Generac will, at its option, repair or replace any part which, upon examination, inspection and testing by Generac or a Generac Authorized Warranty Service Dealer, is found to be defective.
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